Find a flaw in the following "proof' that a relation on a set S is reflexive if it is
Chapter 9, Problem 9.22(choose chapter or problem)
Find a flaw in the following "proof' that a relation on a set S is reflexive if it is both symmetricand transitive: Let XES. From x ~ y, by symmetry, we have y ~ x. By transitivity, x ~ yand y ~ x imply x ~ x. Therefore, ~ is reflexive.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer